Math, asked by cocobear2011, 7 months ago

(x2)+(y2)=?

Answers

Answered by Anonymous
2

Identities:-

1. x² + y² = (x + y)² - 2xy

2. x² + y² = (x +y)² + 2xy

3. x² + y² = [ (x + y)² + (x - y)² ]/2

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